local p = {}
function p.main(frame)
local theString = mw.text.unstrip(frame.args[1])
local onlyNumber
onlyNumber = (string.match(theString, "%-?[%d%.]+"))
checkedNumber = tonumber(onlyNumber)
if checkedNumber == nil then
error(" 輸入不包含有效的數值資料數據")
else
return checkedNumber
end
end
function p.halve(frame)
local checkedNumber = (p.main(frame))
local halvedNumber
halvedNumber = (checkedNumber / 2)
return halvedNumber
end
function p.mainnull(frame)
local theString = mw.text.unstrip(frame.args[1])
local onlyNumber
onlyNumber = (string.match(theString, "%-?[%d%.]+"))
checkedNumber = tonumber(onlyNumber)
if checkedNumber == nil then
return nil
else
return checkedNumber
end
end
return p
